Do you mean you are installing fresh copy of XP and after you've formatted drive, screen just goes blank? If so, you've got a hardware error - I'm guessing its this eror that caused you to do a new install. Process of elimination - if you've enough alternative hardware is needed to identify culprit.

The information on Computing.Net is the opinions of its users. Such
opinions may not be accurate and they are to be used at your own risk.
Computing.Net cannot verify the validity of the statements made on this
site. Computing.Net and Compnet Ventures, LLC hereby disclaim all responsibility
and liability for the content of Computing.Net and its accuracy.